package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

/**
 * 使用预编译SQL执行INSERT语句
 */
public class JDBCDemo7 {
    public static void main(String[] args) {
        //需求:向userinfo表中插入一条记录
        try (Connection connection = DBUtil.getConnection();){
            String sql = "INSERT INTO userinfo(username,password,nickname,age) " +
                         "VALUES(?,?,?,?)";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,"王伟超");
            ps.setString(2,"456456");
            ps.setString(3,"超哥");
            ps.setInt(4,30);

            int num = ps.executeUpdate();
            if(num>0){
                System.out.println("插入成功");
            }else{
                System.out.println("插入失败");
            }


        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}






